Question

Simple integration of integral of ln(-x). I will write the expression.

Answer 1

\[-k \lambda \int\limits_{-3R}^{-R} \frac{ dx }{ -x }\]

Answer 2

how does it become \[k \lambda \ln \frac{ 3R }{ R }\]

Answer 3

tou know that integral of 1/x is just ln x ?

Answer 4

*you

Answer 5

I finally got it @hartnn , i was getting confused with the signs.

Answer 6

good :) glad to hear that u got it :)